The elevator designers chose the magnitude of the maximum positive acceleration

Question

The elevator designers chose the magnitude of the maximum positive acceleration when ascending to be significantly greater than the magnitude of the maximum negative acceleration (deceleration) when descending; however, both magnitudes of acceleration are significantly smaller than the magnitude of the acceleration due to gravity. Hypothesize the rational of the elevator designers to choose the magnitude of the maximum positive acceleration when ascending and the magnitude of the maximum negative acceleration (deceleration) when descending to be significantly less than the magnitude of the acceleration due to gravity.

Explanation / Answer

he should decrease the acceleration when the lift is descending

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